CN210975728U - Ship collision preventing device for spiral structure pier - Google Patents
Ship collision preventing device for spiral structure pier Download PDFInfo
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- CN210975728U CN210975728U CN201921124270.8U CN201921124270U CN210975728U CN 210975728 U CN210975728 U CN 210975728U CN 201921124270 U CN201921124270 U CN 201921124270U CN 210975728 U CN210975728 U CN 210975728U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model relates to a ship collision device is prevented to helical structure pier belongs to safety device field in the bridge engineering construction. Comprises an elastic protection ring, an inner coaming, a spiral clapboard and an outer wallboard; the elastic protection ring surrounds the pier, the inner surrounding plate is fixedly connected to the outer side of the elastic protection ring, the spiral partition plate is a curved plate, and two sides of the spiral partition plate are respectively connected with the inner surrounding plate and the outer wall plate; the spiral partition plate is used for rotating when the bridge pier is impacted, so that the direction of the bow of the ship is changed, and the impact degree of the ship on the bridge pier is reduced; the upper ends of the inner coamings and the outer wall plates are hermetically connected with the deck, and the lower ends of the inner coamings and the outer wall plates are hermetically connected with the bottom plate. When the ship is impacted, the outer wall plate fixedly connected with the spiral partition plate can rotate with a certain amplitude along with the deformation of the spiral partition plate, so that the direction of the bow deflects, the energy exchange between the ship and the anti-collision device is reduced, and the final purpose of protecting piers and the ship is achieved.
Description
Technical Field
The utility model belongs to safety device field in the bridge engineering construction, concretely relates to ship collision device is prevented to helical structure pier.
Background
Nowadays, the economy of China is continuously developed, the number of bridges in China is rapidly increased, the number of sailing ships is gradually increased, and accidents such as ship-bridge collision and the like are also gradually increased. According to statistics of relevant data, several Yangtze river bridges built earliest in China respectively experience ship bridge collision accidents in different periods, and similar accidents are also continuously generated in other places.
At present, most of the mainstream anti-collision devices in China are elastic deformation anti-collision facilities and crush deformation anti-collision facilities. The basic principle is that energy is absorbed by elastic material deformation generated by the contact of the anti-collision device and a ship body, and the damage of bone materials such as steel plates and the like, so that the bridge is protected by the buffer effect. The common use is steel case type buffer stop, and this energy dissipation facility utilizes the damaged power consumption of steel plastic deformation, and when boats and ships striking steel jacket case buffer stop, the crashproof structural steel board takes place big deformation, absorbs partial collision energy to prolonged the contact time, made the impact peak value reduce. However, in actual use of the existing elastic deformation anti-collision facilities and crush deformation anti-collision facilities, the impact energy of the ship is consumed mainly by the deformation energy absorption of the material and the structure, so that the anti-collision facilities need to be deformed enough to achieve the purpose of completely consuming the impact energy of the ship, and after a collision accident occurs, though the pier can be well protected, the anti-collision facilities and the ship can be damaged greatly.
In order to reduce the energy exchange between the ship and the anti-collision facility during the collision process and achieve the purpose of protecting the bridge piers and the ship simultaneously, further improvement and improvement are urgently needed in the field, and a new structural form of anti-collision device is found.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pier harm when receiving the ship striking big, and the serious technical problem of damage of striking ship simultaneously. The utility model discloses a ship collision prevention device for a pier with a spiral structure, wherein a spiral clapboard is a bent plate, two sides of the spiral clapboard are respectively connected with an inner wall plate and an outer wall plate, and the spiral clapboard is spirally and uniformly distributed between the inner wall plate and the outer wall plate; the spiral partition plate is used for rotating when the bridge pier is impacted, so that the direction of the bow of the ship is changed, and the impact degree of the ship on the bridge pier is reduced.
According to the purpose of the utility model, a ship collision prevention device for a pier with a spiral structure is provided, which comprises an elastic protection ring, an inner coaming, a spiral clapboard and an outer wallboard;
the elastic protection ring is used for surrounding the pier so as to reduce the abrasion of the ship collision prevention device and the damage to the pier, so that the ship collision prevention device of the spiral structure pier weakens the damage of the surrounding pier due to the collision of ships; the inner coaming is fixedly connected to the outer side of the elastic protection ring; the spiral partition plates are curved-surface plates, two sides of each spiral partition plate are respectively connected with the inner enclosing plate and the outer wall plate, and the spiral partition plates are uniformly distributed between the inner enclosing plate and the outer wall plate in a spiral shape; the spiral partition plate is used for rotating when the bridge pier is impacted, so that the direction of the bow of the ship is changed, and the impact degree of the ship on the bridge pier is reduced;
the upper end of the inner coaming and the upper end of the outer wall plate are hermetically connected with the deck, and the lower end of the inner coaming and the lower end of the outer wall plate are hermetically connected with the bottom plate, so that the ship collision preventing device for the spiral structure pier is a hollow sealing structure.
Preferably, the elastic guard ring is a polyurethane guard ring.
Preferably, the outer wall plate is made of polyurethane elastomer sandwiched between steel plates.
Preferably, the spiral partition is a steel plate.
Preferably, the inside boarding is a steel plate.
Preferably, the upper ends of the inner coaming and the outer wall plate are welded with the deck, and the lower ends of the inner coaming and the outer wall plate are welded with the bottom plate.
Preferably, two sides of the spiral partition plate are respectively welded with the inner enclosing plate and the outer wall plate.
Preferably, the thickness of the two sides of the spiral clapboard is larger than that of the middle of the spiral clapboard.
Preferably, the number of the spiral partition plates is 8-20.
Preferably, the elastic protection ring, the inner coaming and the outer wall plate are all cylindrical.
Generally, compare with current boats and ships anticollision facility, the utility model has the advantages of it is following and profitable effect:
(1) the utility model discloses an inside baffle of buffer stop is heliciform evenly distributed. The spiral partition plate is preferably made of steel plates, has certain rigidity, provides part of rigidity required by the whole anti-collision device, and ensures the basic anti-collision performance; spiral baffle is preferred for crooked steel sheet, both ends thickness is big, it is middle thin, and certain radian has, it is inside buffer to be heliciform evenly distributed, in the in-process of bumping, spiral baffle has better cushioning effect, can produce obvious deformation, can effectually absorb the energy that the striking produced, spiral baffle can further take place crooked along the crooked direction of steel sheet, the outer wallboard of fixed connection with it also can take place the rotation of certain range thereupon, can play the effect that changes bow navigation direction, make bow direction take place to deflect, play the effect of stirring bow direction, finally realize that whole anticollision facilities can change bow direction through rotating deformation on the basis that has certain buffering energy-absorbing effect, reduce the energy exchange between boats and the pier. The purpose of stirring the bow is achieved on the basis of certain energy absorption effect, the effect of 'four and two stirring jacks' is achieved, the final purpose of protecting the bridge pier and the ship is achieved, and the anti-collision structural form that the bridge pier and the ship are protected only by absorbing collision energy through material deformation is improved. The structural design of spiral baffle promptly can enough guarantee buffer stop's rigidity demand, can guarantee again that buffer stop's rigidity can not be too big, on the basis that has certain buffering energy-absorbing effect, can in time change boats and ships navigation direction, reduces the energy exchange among the collision process.
(2) The utility model discloses an among the buffer stop, preferably, polyurethane sandwich panel comprises outer steel sheet and the polyurethane elastomer core of packing in the steel sheet cavity, for the sandwich panel structure of steel-polyurethane elastomer-steel, has good crashworthiness and buffering energy-absorbing effect, and local damage when can avoiding the striking. The polyurethane elastomer core material is filled in the whole cavity between the steel plates, so that the sandwich plate structure can fully buffer and absorb energy when being subjected to collision impact load. Meanwhile, the polyurethane elastomer core material can also play a role in connecting an outer steel plate, the polyurethane elastomer core material inside the sandwich plate plays a role in connecting an upper steel plate and a lower steel plate, when collision occurs, the steel plate and the elastomer core material can be bent into a curved surface as a whole when collision occurs, stress of a collision point is more uniform than stress distribution of a traditional stiffened plate structure, and failure and damage of a local structure are reduced, so that the transverse limit bearing capacity and the collision resistance of the sandwich plate structure are improved. The structure is failed and damaged, thereby improving the transverse limit bearing capacity and the crashworthiness of the sandwich plate structure.
(3) The utility model discloses preferably elasticity guard ring, interior bounding wall and exterior wall board are hollow cylindric, can make outside slick and sly, can reduce the destruction that causes boats and ships when the collision takes place. The polyurethane protective ring is fixed on the inner coaming between the inner coaming and the pier, and prevents the collision avoidance device from directly contacting the pier to damage the pier.
Drawings
Fig. 1 is a structural diagram of the ship collision preventing device for the spiral pier of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: 1-elastic protection ring, 2-inner coaming plate, 3-spiral clapboard, 4-outer wallboard, 5-deck and 6-bottom plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
Fig. 1 is a structural diagram of the ship collision preventing device for the spiral pier of the present invention. Fig. 2 is a sectional view a-a of fig. 1.
The utility model relates to a ship collision prevention device for a pier with a spiral structure, which comprises an elastic protection ring 1, an inner surrounding plate 2, a spiral clapboard 3 and an outer wall plate 4;
the elastic protection ring 1 is used for surrounding the pier to reduce the abrasion of the ship collision prevention device and the damage to the pier, so that the ship collision prevention device of the spiral structure pier weakens the damage of the surrounding pier due to the collision of ships; the inner coaming 2 is fixedly connected to the outer side of the elastic protection ring 1; the spiral partition plate 3 is a curved plate, two sides of the spiral partition plate are respectively connected with the inner surrounding plate 2 and the outer wall plate 4, and the spiral partition plate 3 is spirally and uniformly distributed between the inner surrounding plate 2 and the outer wall plate 4; the spiral partition plate 3 is used for rotating when the bridge pier is impacted, so that the direction of the bow is changed, and the impact degree of the ship on the bridge pier is reduced;
the upper end of the inner coaming 2 and the upper end of the outer wall plate 4 are hermetically connected with the deck 5, and the lower end of the inner coaming 2 and the lower end of the outer wall plate 4 are hermetically connected with the bottom plate 6, so that the ship collision preventing device for the spiral structure pier is a hollow sealing structure.
Example 2
The utility model relates to a ship collision prevention device for a pier with a spiral structure, which comprises an elastic protection ring 1, an inner surrounding plate 2, a spiral clapboard 3 and an outer wall plate 4;
the elastic protection ring 1 is used for surrounding the pier to reduce the abrasion of the ship collision prevention device and the damage to the pier, so that the ship collision prevention device of the spiral structure pier weakens the damage of the surrounding pier due to the collision of ships; the inner coaming 2 is fixedly connected to the outer side of the elastic protection ring 1; the spiral partition plate 3 is a curved plate, two sides of the spiral partition plate are respectively connected with the inner surrounding plate 2 and the outer wall plate 4, and the spiral partition plate 3 is spirally and uniformly distributed between the inner surrounding plate 2 and the outer wall plate 4; the spiral partition plate 3 is used for rotating when the bridge pier is impacted, so that the direction of the bow is changed, and the impact degree of the ship on the bridge pier is reduced;
the upper end of the inner coaming 2 and the upper end of the outer wall plate 4 are in sealing connection with the deck 5, and the lower end of the inner coaming 2 and the lower end of the outer wall plate 4 are in sealing connection with the bottom plate 6, so that the ship collision prevention device for the spiral structure bridge pier is of a hollow sealing structure, and the ship collision prevention device for the spiral structure bridge pier can float on the water surface.
The elastic protective ring 1 is a polyurethane protective ring.
The outer wall plate 4 is a polyurethane sandwich plate which is a polyurethane elastomer sandwiched between steel plates.
The outer wall plate 4 is preferably a polyurethane sandwich plate, which is composed of an outer steel plate and a polyurethane elastomer core material filled in a cavity of the steel plate, and has good crashworthiness and energy absorption effect. The polyurethane elastomer core material filled in the steel plate cavity plays a role in connecting the upper steel plate and the lower steel plate, so that the steel plate and the elastomer core material can be bent into a curved surface as a whole when colliding, the stress distribution of an impact point is more uniform than that of a traditional stiffened plate structure, the failure and damage of a local structure are reduced, and the transverse limit bearing capacity and the collision resistance of the sandwich plate structure are improved; meanwhile, the polyurethane elastomer core material is filled in the whole cavity between the steel plates, so that the sandwich plate structure can fully buffer and absorb energy when being subjected to collision impact load.
The spiral partition plate 3 is a steel plate.
The inside boarding 2 is a steel plate.
The upper end of the inner coaming 2 and the upper end of the outer wall plate 4 are welded with the deck 5, and the lower end of the inner coaming 2 and the lower end of the outer wall plate 4 are welded with the bottom plate 6.
And two sides of the spiral partition plate 3 are respectively welded with the inner surrounding plate 2 and the outer wall plate 4.
The thickness of the two sides of the spiral clapboard 3 is larger than that of the middle.
The number of the spiral partition plates 3 is 8.
The elastic protection ring 1, the inner surrounding plate 2 and the outer wall plate 4 are all cylindrical.
Example 3
The utility model relates to a ship collision prevention device for a pier with a spiral structure, which comprises an elastic protection ring 1, an inner surrounding plate 2, a spiral clapboard 3 and an outer wall plate 4;
the elastic protection ring 1 is used for surrounding the pier to reduce the abrasion of the ship collision prevention device and the damage to the pier, so that the ship collision prevention device of the spiral structure pier weakens the damage of the surrounding pier due to the collision of ships; the inner coaming 2 is fixedly connected to the outer side of the elastic protection ring 1; the spiral partition plate 3 is a curved plate, two sides of the spiral partition plate are respectively connected with the inner surrounding plate 2 and the outer wall plate 4, and the spiral partition plate 3 is spirally and uniformly distributed between the inner surrounding plate 2 and the outer wall plate 4; the spiral partition plate 3 is used for rotating when the bridge pier is impacted, so that the direction of the bow is changed, and the impact degree of the ship on the bridge pier is reduced;
the upper end of the inner coaming 2 and the upper end of the outer wall plate 4 are hermetically connected with the deck 5, and the lower end of the inner coaming 2 and the lower end of the outer wall plate 4 are hermetically connected with the bottom plate 6, so that the ship collision preventing device for the spiral structure pier is a hollow sealing structure.
The elastic protective ring 1 is a polyurethane protective ring.
The outer wall plate 4 is made of polyurethane elastomer sandwiched between steel plates.
The spiral partition plate 3 is a steel plate.
The inside boarding 2 is a steel plate.
The upper end of the inner coaming 2 and the upper end of the outer wall plate 4 are welded with the deck 5, and the lower end of the inner coaming 2 and the lower end of the outer wall plate 4 are welded with the bottom plate 6.
And two sides of the spiral partition plate 3 are respectively welded with the inner surrounding plate 2 and the outer wall plate 4.
The thickness of the two sides of the spiral clapboard 3 is larger than that of the middle.
The number of the spiral partition plates 3 is 12.
The elastic protection ring 1, the inner surrounding plate 2 and the outer wall plate 4 are all cylindrical.
Example 4
The utility model relates to a ship collision prevention device for a pier with a spiral structure, which comprises an elastic protection ring 1, an inner surrounding plate 2, a spiral clapboard 3 and an outer wall plate 4;
the elastic protection ring 1 is used for surrounding the pier to reduce the abrasion of the ship collision prevention device and the damage to the pier, so that the ship collision prevention device of the spiral structure pier weakens the damage of the surrounding pier due to the collision of ships; the inner coaming 2 is fixedly connected to the outer side of the elastic protection ring 1; the spiral partition plate 3 is a curved plate, two sides of the spiral partition plate are respectively connected with the inner surrounding plate 2 and the outer wall plate 4, and the spiral partition plate 3 is spirally and uniformly distributed between the inner surrounding plate 2 and the outer wall plate 4; the spiral partition plate 3 is used for rotating when the bridge pier is impacted, so that the direction of the bow is changed, and the impact degree of the ship on the bridge pier is reduced;
the upper end of the inner coaming 2 and the upper end of the outer wall plate 4 are hermetically connected with the deck 5, and the lower end of the inner coaming 2 and the lower end of the outer wall plate 4 are hermetically connected with the bottom plate 6, so that the ship collision preventing device for the spiral structure pier is a hollow sealing structure.
The elastic protective ring 1 is a polyurethane protective ring.
The outer wall plate 4 is made of polyurethane elastomer sandwiched between steel plates.
The spiral partition plate 3 is a steel plate.
The inside boarding 2 is a steel plate.
The upper end of the inner coaming 2 and the upper end of the outer wall plate 4 are welded with the deck 5, and the lower end of the inner coaming 2 and the lower end of the outer wall plate 4 are welded with the bottom plate 6.
And two sides of the spiral partition plate 3 are respectively welded with the inner surrounding plate 2 and the outer wall plate 4.
The thickness of the two sides of the spiral clapboard 3 is larger than that of the middle.
The number of the spiral partition plates 3 is 20.
The elastic protection ring 1, the inner surrounding plate 2 and the outer wall plate 4 are all cylindrical.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A ship collision prevention device for a pier with a spiral structure is characterized by comprising an elastic protection ring (1), an inner surrounding plate (2), a spiral partition plate (3) and an outer wall plate (4);
the elastic protection ring (1) is used for surrounding the pier to reduce the abrasion of the ship collision prevention device and the damage to the pier, so that the ship collision prevention device of the spiral structure pier weakens the damage of the surrounding pier due to the collision of ships; the inner coaming (2) is fixedly connected to the outer side of the elastic protection ring (1); the spiral partition plate (3) is a curved plate, two sides of the spiral partition plate are respectively connected with the inner surrounding plate (2) and the outer wall plate (4), and the spiral partition plate (3) is uniformly distributed between the inner surrounding plate (2) and the outer wall plate (4) in a spiral shape; the spiral partition plate (3) is used for rotating when the bridge pier is impacted, so that the direction of the bow of the ship is changed, and the impact degree of the ship on the bridge pier is reduced;
the upper end of the inner coaming (2) and the upper end of the outer wall plate (4) are in sealing connection with the deck (5), and the lower end of the inner coaming (2) and the lower end of the outer wall plate (4) are in sealing connection with the bottom plate (6), so that the ship collision preventing device for the spiral structure pier is of a hollow sealing structure.
2. The spiral structure pier marine collision prevention device according to claim 1, wherein the elastic guard ring (1) is a polyurethane guard ring.
3. The helical structure pier marine collision prevention device according to claim 1, wherein the outer wall plate (4) is a polyurethane elastomer sandwiched between steel plates.
4. The spiral structure pier ship collision prevention device according to claim 1, wherein the spiral partition plate (3) is a steel plate.
5. The spiral structure pier ship collision preventing device as claimed in claim 1, wherein the inside boarding (2) is a steel plate.
6. The spiral structure pier ship collision preventing device as claimed in claim 1, wherein the upper ends of the inner coaming (2) and the outer wall plate (4) are welded to a deck (5), and the lower ends of the inner coaming (2) and the outer wall plate (4) are welded to a bottom plate (6).
7. The spiral structure pier ship collision prevention device as claimed in claim 1, wherein both sides of the spiral partition plate (3) are welded with the inner coaming (2) and the outer wallboard (4), respectively.
8. The spiral structure pier ship collision preventing device as claimed in claim 1, wherein the thickness of both sides of the spiral partition plate (3) is greater than that of the middle.
9. The spiral structure pier ship collision prevention device as claimed in claim 1, wherein the number of the spiral partition plates (3) is 8-20.
10. The spiral structure pier ship collision prevention device as claimed in claim 1, wherein the elastic guard ring (1), the inner surrounding plate (2) and the outer wall plate (4) are all cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124270.8U CN210975728U (en) | 2019-07-18 | 2019-07-18 | Ship collision preventing device for spiral structure pier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124270.8U CN210975728U (en) | 2019-07-18 | 2019-07-18 | Ship collision preventing device for spiral structure pier |
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| CN210975728U true CN210975728U (en) | 2020-07-10 |
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| CN201921124270.8U Active CN210975728U (en) | 2019-07-18 | 2019-07-18 | Ship collision preventing device for spiral structure pier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047229A (en) * | 2020-12-29 | 2021-06-29 | 武汉力拓桥科防撞设施有限公司 | Novel anti-ship-collision facility with self-lubricating property and corrosion resistance |
| CN114592483A (en) * | 2022-03-11 | 2022-06-07 | 西南交通大学 | Ship collision prevention device for classifying strong and weak collision of bridge and construction method thereof |
-
2019
- 2019-07-18 CN CN201921124270.8U patent/CN210975728U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047229A (en) * | 2020-12-29 | 2021-06-29 | 武汉力拓桥科防撞设施有限公司 | Novel anti-ship-collision facility with self-lubricating property and corrosion resistance |
| CN114592483A (en) * | 2022-03-11 | 2022-06-07 | 西南交通大学 | Ship collision prevention device for classifying strong and weak collision of bridge and construction method thereof |
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Effective date of registration: 20230830 Address after: Room 901, 9th Floor, Building A, Guanggu Times Square, Guanshan 1st Road, Guanshan Street, Donghu High tech Development Zone, Wuhan City, Hubei Province, 430223 Patentee after: WUHAN LITUO BRIDGE TECHNOLOGY CRASH FACILITY Co.,Ltd. Address before: 430074 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 1037 Patentee before: HUAZHONG University OF SCIENCE AND TECHNOLOGY |